Vulnerability Details CVE-2026-70257
Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.008
EPSS Ranking 55.9%
CVSS Severity
CVSS v3 Score 8.8
Products affected by CVE-2026-70257
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cpe:2.3:a:microsoft:office_2021:-